Method of making a root end joint of a wind turbine blade and a root segment for such a joint
AssigneeBlade Dynamics Limited
InventorsPaul Trevor HAYDEN, Peter Anthony BROOME
Life of this patent
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Abstract
A method of making a root end joint for a wind turbine. A plurality of root segments (10) are formed of a composite material. Each has an arcuate end face (11) which subtends an angle of 90° or less and has a plurality of connection holes (12). The segments are joined together side-by-side to build up the circular profile of the root end. The segments include a proportion of uni-axial to multiaxial fiber which decreases from the arcuate end face towards the opposite end.
Claims14
A method of making a root end joint of a wind turbine blade, the method comprising forming a plurality of root segments of a composite material, each segment being generally the shape of a segment of a hollow cylinder having at least one arcuate end face subtending an angle of 90° or less with a plurality of connection holes and a pair of side faces extending axially from the arcuate end face, the method further comprising joining a plurality of the segments side-by-side, wherein the segments include uniaxial and multi-axial fibers, wherein the relative proportion of uniaxial to multi-axial fiber decreases from the arcuate end face towards the opposite end.
A root segment for the root end joint of a wind turbine blade, the segment being made of a composite material having the general shape of a segment of a hollow cylinder, having at least one arcuate end face subtending an angle at 90° or less with a plurality of connection holes and a pair of side faces extending axially from the arcuate end face;
- and uni-axial and multi-axial fibers, wherein the relative proportion of the uniaxial to multi-axial fibers decreases from the arcuate end face towards the opposite end.
Dependencies are inferred from the claim text.